EP0990935A3 - Objectif pour copier et appareil de copie d'image de même utilisation - Google Patents

Objectif pour copier et appareil de copie d'image de même utilisation Download PDF

Info

Publication number: EP0990935A3
Authority: EP; European Patent Office
Prior art keywords: lens; copying; same; stop; focal length
Prior art date: 1998-09-30
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP99119245A

Other languages

German (de)

English (en)

Other versions

EP0990935B1 (fr

EP0990935A2 (fr

Inventor

Kazuhiko Matsuoka

Motomu Fukasawa

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Canon Inc

Original Assignee

Canon Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1998-09-30

Filing date

1999-09-28

Publication date

2001-10-31

1999-09-28 Application filed by Canon Inc filed Critical Canon Inc

2000-04-05 Publication of EP0990935A2 publication Critical patent/EP0990935A2/fr

2001-10-31 Publication of EP0990935A3 publication Critical patent/EP0990935A3/fr

2006-03-01 Application granted granted Critical

2006-03-01 Publication of EP0990935B1 publication Critical patent/EP0990935B1/fr

2019-09-28 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
- G02B9/36—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only arranged + -- +
- G02B9/44—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only arranged + -- + both - components being biconcave
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
- G02B9/36—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only arranged + -- +
- G02B9/56—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only arranged + -- + all components being simple lenses

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Lenses (AREA)
Exposure Or Original Feeding In Electrophotography (AREA)

EP19990119245 1998-09-30 1999-09-28 Objectif pour copier et appareil de copie d'image l'utilisant Expired - Lifetime EP0990935B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP29296298		1998-09-30
JP29296298A JP3335129B2 (ja)	1998-09-30	1998-09-30	複写用レンズ及びそれを用いた画像複写装置

Publications (3)

Publication Number	Publication Date
EP0990935A2 EP0990935A2 (fr)	2000-04-05
EP0990935A3 true EP0990935A3 (fr)	2001-10-31
EP0990935B1 EP0990935B1 (fr)	2006-03-01

Family

ID=17788689

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19990119245 Expired - Lifetime EP0990935B1 (fr)	1998-09-30	1999-09-28	Objectif pour copier et appareil de copie d'image l'utilisant

Country Status (4)

Country	Link
EP (1)	EP0990935B1 (fr)
JP (1)	JP3335129B2 (fr)
DE (1)	DE69930035T2 (fr)
ES (1)	ES2255214T3 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR20010025306A (ko) *	2000-12-09	2001-04-06	임천석	조리개를 기준으로 상호 대칭면을 갖는 회절 및 굴절혼합형 렌즈
KR101459755B1 (ko) *	2007-10-02	2014-11-12	엘지이노텍 주식회사	광학계
CN105137567B (zh) *	2015-08-12	2017-09-12	北京天诚盛业科技有限公司	成像镜头、虹膜成像模组以及虹膜识别装置
CN110412754A (zh) *	2019-08-16	2019-11-05	金飞龙	一种透镜对称分布式微距镜头
CN111474685B (zh) *	2020-06-01	2021-08-03	中国科学院长春光学精密机械与物理研究所	一种长焦距宽谱段消色差光学镜头
CN114002808B (zh) *	2021-10-25	2023-06-30	季华实验室	一种红外成像光学系统
CN116009220B (zh) *	2023-03-24	2023-07-25	联创电子科技股份有限公司	光学镜头及摄像模组

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2714497B1 (de) *	1977-03-31	1977-12-22	Rodenstock Optik G	Vierlinsiges, zur blende symmetrisches aufnahme- oder reproduktionsobjektiv
US4285579A (en) *	1978-12-15	1981-08-25	Canon Kabushiki Kaisha	Copying lens system
JPS629310A (ja) *	1985-07-08	1987-01-17	Konishiroku Photo Ind Co Ltd	複写用レンズ
US5506729A (en) *	1993-09-29	1996-04-09	Fuji Photo Optical Co., Ltd.	Copy lens
US5671094A (en) *	1995-10-06	1997-09-23	Fuji Photo Optical Co., Ltd.	Zoom lens system in finite conjugate distance

1998
- 1998-09-30 JP JP29296298A patent/JP3335129B2/ja not_active Expired - Fee Related
1999
- 1999-09-28 DE DE69930035T patent/DE69930035T2/de not_active Expired - Fee Related
- 1999-09-28 ES ES99119245T patent/ES2255214T3/es not_active Expired - Lifetime
- 1999-09-28 EP EP19990119245 patent/EP0990935B1/fr not_active Expired - Lifetime

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2714497B1 (de) *	1977-03-31	1977-12-22	Rodenstock Optik G	Vierlinsiges, zur blende symmetrisches aufnahme- oder reproduktionsobjektiv
US4285579A (en) *	1978-12-15	1981-08-25	Canon Kabushiki Kaisha	Copying lens system
JPS629310A (ja) *	1985-07-08	1987-01-17	Konishiroku Photo Ind Co Ltd	複写用レンズ
US5506729A (en) *	1993-09-29	1996-04-09	Fuji Photo Optical Co., Ltd.	Copy lens
US5671094A (en) *	1995-10-06	1997-09-23	Fuji Photo Optical Co., Ltd.	Zoom lens system in finite conjugate distance

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 011, no. 178 (P - 584) 9 June 1987 (1987-06-09) *

Also Published As

Publication number	Publication date
DE69930035T2 (de)	2006-10-05
JP3335129B2 (ja)	2002-10-15
EP0990935B1 (fr)	2006-03-01
DE69930035D1 (de)	2006-04-27
JP2000111795A (ja)	2000-04-21
ES2255214T3 (es)	2006-06-16
EP0990935A2 (fr)	2000-04-05

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2001-10-24	RIC1	Information provided on ipc code assigned before grant	Free format text: 7G 02B 13/24 A, 7G 02B 9/44 B, 7G 02B 9/56 B
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